IntelliLink IOU GPS Navigation HD Radio Upgrade for select 2018 - 2021 GM vehicles

The GMIOSOENAV converts the current factory IOS non-navigation system to the popular IOU navigation system. This system provides you with turn-by-turn directions, multiple map view and frequently used destinations to easily get you where you’re going. The system will display routing progress and estimated time of arrival. You can also turn the voice guidance on or off.  

  • 17 digit VIN required for programming.
  • MUST have SD card slot in the factory USB hub.  This hub can be either in the center console or dash area.  If the vehicle is not equipped with an SD card part# GMIOUHUB is required.
  • MUST have a current RPO code IOS.  This can be found by scanning the QR code on the drivers side door opening on the body of the vehicle.  Below is an example on where the QR code is located.